.header {
  font-size: 16px;
  font-weight: 500;
  position: relative;
  min-width: 560px;
  background-color: white;
}
.header .header-user {
  text-align: right;
  margin-right: 10px;
  margin-bottom: 5px;
}
.header .header-date {
  float: left;
  margin-left: 10px;
}
.header .out-msg {
  background-color: yellow;
}
.header .header-line {
  width: 100%;
  height: 1px;
  background-color: #1DA57A;
}
.header .header-r {
  float: right;
  margin-right: 20px;
  margin-top: 5px;
  right: 0;
}
.header .header-l {
  float: left;
  width: 150px;
  text-align: center;
  margin-top: 5px;
}
.header .header-l::after {
  width: 0;
  height: 0;
  content: '';
  position: absolute;
  border: 15px solid;
  border-color: white transparent  transparent transparent ;
  left: 60px;
  bottom: -30px;
}
